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Finding the Fourth Proportional to 497,527.73, 686,686.28 and 346,537.25

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Solution

The fourth proportional to 497,527.73, 686,686.28 and 346,537.25 is: 478,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,527.73 : 686,686.28 = 346,537.25 : x
  2. Step 2: Convert to fraction form
    497,527.73/686,686.28 = 346,537.25/x
  3. Step 3: Cross multiply
    497,527.73x = 686,686.28 × 346,537.25
  4. Step 4: Simplify right side
    497,527.73x = 237,962,373,351.24
  5. Step 5: Solve for x
    x = 237,962,373,351.24/497,527.73
  6. Step 6: Final answer
    x = 478,289.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.